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P80C32 Datasheet(PDF) 55 Page - NXP Semiconductors

No. de pieza P80C32
Descripción Electrónicos  80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz
PDF  62 Pages
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Fabricante Electrónico  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P80C32 Datasheet(HTML) 55 Page - NXP Semiconductors

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Philips Semiconductors
Product data
P80C3xX2; P80C5xX2;
P87C5xX2
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
2003 Jan 24
55
80C54X2 ROM CODE SUBMISSION
When submitting a ROM code for the 80C54X2, the following must be specified:
1. 16 kbyte user ROM data
2. 64 byte ROM encryption key
3. ROM security bits.
ADDRESS
CONTENT
BIT(S)
COMMENT
0000H to 3FFFH
DATA
7:0
User ROM Data
4000H to 403FH
KEY
7:0
ROM Encryption Key
FFH = no encryption
4040H
SEC
0
ROM Security Bit 1
0 = enable security
1 = disable security
4040H
SEC
1
ROM Security Bit 2
0 = enable security
1 = disable security
Security Bit 1: When programmed, this bit has two effects on masked ROM parts:
1. External MOVC is disabled, and
2. EA is latched on Reset.
Security Bit 2: When programmed, this bit inhibits Verify User ROM.
NOTE: Security Bit 2 cannot be enabled unless Security Bit 1 is enabled.
If the ROM Code file does not include the options, the following information must be included with the ROM code.
For each of the following, check the appropriate box, and send to Philips along with the code:
Security Bit #1:
V Enabled
V Disabled
Security Bit #2:
V Enabled
V Disabled
Encryption:
V No
V Yes
If Yes, must send key file.



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